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Profound hypotension following intravenous codeine phosphate. Three case reports and some recommendations
T J Parke1, P R Nandi, K J Bird
1Department of Anaesthetics, Royal Berkshire Hospital, Reading, Berks.
Anaesthesia
|October 1, 1992
Summary
Intravenous codeine phosphate can cause severe hypotension in adults. Medical professionals should avoid administering codeine phosphate via this route due to serious safety risks.
Area of Science:
- Pharmacology
- Clinical Medicine
- Adverse Drug Reactions
Background:
- Codeine phosphate is an opioid analgesic commonly used for pain management.
- Intravenous administration offers rapid onset of action but carries specific risks.
Observation:
- Three adult patients experienced life-threatening hypotension after receiving intravenous codeine phosphate.
- Hypotension is a significant adverse event associated with opioid administration.
Findings:
- Intravenous codeine phosphate administration was directly linked to severe, dangerous drops in blood pressure.
- The observed hypotension was severe enough to be life-threatening in the cases studied.
Implications:
- Clinicians should reconsider and likely avoid the intravenous use of codeine phosphate in adult patients.
- This finding necessitates a review of current guidelines regarding codeine phosphate administration routes.
- Further research into the mechanisms of codeine-induced hypotension is warranted.